asty troops from China and Kara Turkish mercenaries fought an army from the Abbasid Caliphate. Despite winning the battle, the Caliphate forces withdrew from the region. In 766 the Kara-Turkish tribes were defeated by Qarlugs from the northwest. Later, nearly all the tribes of the former Western Turk Khanate were conquered.
The development of Taraz as a city arose as the result of the development and strengthening of political and economic ties linked to trade along the Silk Road. As a major halt, it flourished amidst a comparatively gentle climate, fertile soil and rich pastures, which attracted many stockbreeders and farmers. The struggle between Persia and Byzantium for control of the route forced both sides to look for allies. Byzantium sent ambassadors to the Western Turk Khanate, and Zemarkha Kililyskyi arrived in Taraz in 568. Simultaneously the Persians sent their ambassador to the Turks, but Istemi Khan was on the side of Byzantium.
Islamic and Persian period
After the Arab conquest of Central Asia the Persian, the Persian Samanids appeared in Central-Asia, and by 9th century they had occupied a major part of Central Asia. By this time Taraz, developing little by little had been a rich city-state typical of Central Asia with a large population and vast agricultural zone. In late 9th century the Samanids extended their rule into the Steppes and captured Taraz, then one of the headquarters of the Karluk kaghan. A large church was transformed into a mosque, and according to one source, the "amir of Taraz" embraced Islam The Islamization of Central Asia was due in significant part to the activities of the Samanids, and in Taraz, other pre-existing religions such as Mazdaism, Christianity, Buddhism, and Tengrism were gradually replaced.
The Karakhanids
The Persian Samanids however were defeated by the Turkic Karakhanids who were a
